2145270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1716

約数の個数: 32

約数和(自身を含む): 5271552

約数和(自身を除く): 3126282

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 1663, 3326, 4989, 8315, 9978, 16630, 24945, 49890, 71509, 143018, 214527, 357545, 429054, 715090, 1072635, 2145270]

約数ペア:

[(1, 2145270), (2, 1072635), (3, 715090), (5, 429054), (6, 357545), (10, 214527), (15, 143018), (30, 71509), (43, 49890), (86, 24945), (129, 16630), (215, 9978), (258, 8315), (430, 4989), (645, 3326), (1290, 1663)]